- All sections
- B - Performing operationstransporting
- B44C - Producing decorative effectsmosaicstarsia workpaperhanging
- B44C 1/22 - Removing surface-material, e.g. by engraving, by etching
Patent holdings for IPC class B44C 1/22
Total number of patents in this class: 1336
10-year publication summary
|
98
|
75
|
49
|
41
|
46
|
37
|
36
|
23
|
14
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Tokyo Electron Limited | 13824 |
83 |
| Applied Materials, Inc. | 20406 |
51 |
| Lam Research Corporation | 5642 |
49 |
| JPMorgan Chase Bank, National Association | 8958 |
39 |
| Samsung Electronics Co., Ltd. | 157946 |
26 |
| Apple Inc. | 58885 |
24 |
| UNILIN, besloten vennootschap | 993 |
24 |
| Micron Technology, Inc. | 27675 |
23 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 48438 |
23 |
| Kioxia Corporation | 10823 |
16 |
| Hitachi High-Tech Corporation | 5857 |
14 |
| Headway Technologies, Inc. | 683 |
13 |
| Levi Strauss & Co. | 304 |
13 |
| Screen Holdings Co., Ltd. | 3160 |
13 |
| Trinity Industrial Corporation | 109 |
13 |
| CMC Materials LLC | 244 |
13 |
| Hueck Rheinische GmbH | 107 |
12 |
| Seagate Technology LLC | 3958 |
11 |
| Corning Incorporated | 10510 |
11 |
| Align Technology, Inc. | 2291 |
9 |
| Other owners | 856 |